All names: J1029+2013, SDSS J102930.39+201318.8, SDSS J102930.40+201318.8, Gaia EDR3 720686235139632000, SDSS J102930.40+201318.88, Gaia DR3 720686235139632000
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Coutu et al. 2019 | Stilism | Kepler et al. 2015 | Simbad |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 10 29 30.38 (2) | 10 29 30.40 | 10 29 30.40 | 10 29 30.38 (2) | ||||
| Declination | 20 13 18.65 (3) | 20 13 18.89 | 20 13 18.91 | 20 13 18.65 (3) | ||||
| Spectral type | DZ | DZ | DZ | |||||
| Effective temperature | [K] | 6281.0 (232) | 6340.0 (41) | |||||
| log(g) | [cgs] | 8.00 | 8.00 (0) | |||||
| Mass | [M☉] | |||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | 0.0000 | ||||||
| log(H/He) | <-3.1809 | |||||||
| log(C/He) | ||||||||
| log(Ca/He) | -10.7521 (0.3) | -10.302 (0.08) | ||||||
| log(Ca/H) | ||||||||
| log(N/He) | ||||||||
| log(O/He) | ||||||||
| log(Na/He) | ||||||||
| log(Mg/He) | ||||||||
| log(Al/He) | ||||||||
| log(Si/He) | ||||||||
| log(P/He) | ||||||||
| log(S/He) | ||||||||
| log(Cl/He) | ||||||||
| log(Sc/He) | ||||||||
| log(Ti/He) | ||||||||
| log(V/He) | ||||||||
| log(Cr/He) | ||||||||
| log(Mn/He) | ||||||||
| log(Fe/He) | ||||||||
| log(Co/He) | ||||||||
| log(Ni/He) | ||||||||
| log(Cu/He) | ||||||||
| log(Zn/He) | ||||||||
| log(Ga/He) | ||||||||
| log(Ge/He) | ||||||||
| log(Sr/He) | ||||||||
| Parallax | [mas] | |||||||
| Distance | [pc] | 226.80 (14) | ||||||
| Composition | He | He | ||||||
| Proper motion (right ascension) | [mas/yr] | |||||||
| Proper motion (declination) | [mas/yr] | |||||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | ||||||||
| H magnitude | ||||||||
| K magnitude | ||||||||
| u magnitude | 21.53 (0.1) | 21.54 (0.1) | 21.54 (0.1) | |||||
| g magnitude | 20.85 (0.03) | 20.85 (0.03) | 20.84 (0.03) | |||||
| r magnitude | 20.65 (0.03) | 20.65 (0.03) | 20.65 (0.03) | |||||
| i magnitude | 20.58 (0.04) | 20.58 (0.04) | 20.58 (0.04) | |||||
| z magnitude | 20.28 (0.1) | 20.22 (0.1) | 20.22 (0.1) | |||||
| G magnitude | 20.62 (0.2) | 20.62 (0.01) | ||||||
| BP magnitude | 20.45 (0.2) | |||||||
| RP magnitude | 20.08 (0.2) | |||||||
| Pan g magnitude | 20.87 (0.01) | |||||||
| Pan r magnitude | 20.61 (0.009) | |||||||
| Pan i magnitude | 20.59 (0.01) | |||||||
| Pan z magnitude | 20.58 (0.2) | |||||||
| Pan y magnitude | 20.31 (0.3) | |||||||
| E(B-V) | 0.017 | |||||||
* Constant surface field
Spectra without link are available upon request
The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour (Université de Montréal) and Dr. Simon Blouin (University of Victoria). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.